CVE-2026-12158
RegistrationMagic <= 6.0.9.1 - Cross-Site Request Forgery to Privilege Escalation via 'rmc_assign_user_role_action' Parameter
The RegistrationMagic – User Registration Forms Plugin plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 6.0.9.1. This is due to missing or incorrect nonce validation on the process_request function. This makes it possible for unauthenticated attackers to escalate the privileges of an arbitrary form submitter to administrator by creating a malicious Chronos automation task that is executed via WordPress cron via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
8.8
RegistrationMagic <= 6.0.9.1 - Cross-Site Request Forgery to Privilege Escalation via 'rmc_assign_user_role_action' Parameter
The RegistrationMagic – User Registration Forms Plugin plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 6.0.9.1. This is due to missing or incorrect nonce validation on the process_request function. This makes it possible for unauthenticated attackers to escalate the privileges of an arbitrary form submitter to administrator by creating a malicious Chronos automation task that is executed via WordPress cron via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
- Record
CVE-2026-12158- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-352
- Updated
- 2026-11-02
EUVDEUVD-2026-40924
8.8
The RegistrationMagic – User Registration Forms Plugin plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 6.0.9.1. This is due to missing or incorrect nonce validation on the process_request function. This makes it possible for unauthenticated attackers to escalate the privileges of an arbitrary form submitter to administrator by creating a malicious Chronos automation task that is executed via WordPress cron via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
- Record
EUVD-2026-40924- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-7p35-52fv-8jr6
8.8
The RegistrationMagic – User Registration Forms Plugin plugin for WordPress is vulnerable to...
The RegistrationMagic – User Registration Forms Plugin plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 6.0.9.1. This is due to missing or incorrect nonce validation on the process_request function. This makes it possible for unauthenticated attackers to escalate the privileges of an arbitrary form submitter to administrator by creating a malicious Chronos automation task that is executed via WordPress cron via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
- Record
GHSA-7p35-52fv-8jr6- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-352
- Updated
- 2026-11-02
NVD
8.8
The RegistrationMagic – User Registration Forms Plugin plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 6.0.9.1. This is due to missing or incorrect nonce validation on the process_request function. This makes it possible for unauthenticated attackers to escalate the privileges of an arbitrary form submitter to administrator by creating a malicious Chronos automation task that is executed via WordPress cron via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
- Record
CVE-2026-12158- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-352
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-12158 is a high vulnerability (CVSS 8.8) in Metagauss Registrationmagic – Custom Registration Forms, User Registration, Payment, And User Login, published July 1, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.32%, the 24th percentile. No source names a fixed version.
References
wordfence.com/threat-intel/vulnerabilities/id/ef7aff85-e1ca-47ce-86e9-a0fe356993a1?source=cve
plugins.trac.wordpress.org/browser/custom-registration-form-builder-with-submission-manager/tags/6.0.8.9/plus/chronos/services/service.php
plugins.trac.wordpress.org/browser/custom-registration-form-builder-with-submission-manager/tags/6.0.8.9/plus/chronos/controllers/task_controller.php
plugins.trac.wordpress.org/browser/custom-registration-form-builder-with-submission-manager/tags/6.0.8.9/plus/chronos/libs/rm_chronos.php
plugins.trac.wordpress.org/browser/custom-registration-form-builder-with-submission-manager/tags/6.0.8.9/plus/chronos/libs/task.php
plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3579552%40custom-registration-form-builder-with-submission-manager&new=3579552%40custom-registration-form-builder-with-submission-manager&sfp_email=&sfph_mail=
nvd.nist.gov/vuln/detail/CVE-2026-12158
github.com/advisories/GHSA-7p35-52fv-8jr6